<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>LoggingHandler xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../api/org/jboss/netty/handler/logging/LoggingHandler.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.logging;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelDownstreamHandler;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler.Sharable;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelUpstreamHandler;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ExceptionEvent;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogLevel;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="30" href="#30">30</a>  
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * A {@link ChannelHandler} that logs all events via {@link InternalLogger}.</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * By default, all events are logged at &lt;tt&gt;DEBUG&lt;/tt&gt; level.  You can extend</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * this class and override {@link #log(ChannelEvent)} to change the default</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * behavior.</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  @Sharable
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a> <strong class="jxr_keyword">implements</strong> ChannelUpstreamHandler, <a href="../../../../../org/jboss/netty/channel/ChannelDownstreamHandler.html">ChannelDownstreamHandler</a> {
<a class="jxr_linenumber" name="40" href="#40">40</a>  
<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> DEFAULT_LEVEL = InternalLogLevel.DEBUG;
<a class="jxr_linenumber" name="42" href="#42">42</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String NEWLINE = String.format(<span class="jxr_string">"%n"</span>);
<a class="jxr_linenumber" name="43" href="#43">43</a>  
<a class="jxr_linenumber" name="44" href="#44">44</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String[] BYTE2HEX = <strong class="jxr_keyword">new</strong> String[256];
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String[] HEXPADDING = <strong class="jxr_keyword">new</strong> String[16];
<a class="jxr_linenumber" name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String[] BYTEPADDING = <strong class="jxr_keyword">new</strong> String[16];
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">char</strong>[] BYTE2CHAR = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">char</strong>[256];
<a class="jxr_linenumber" name="48" href="#48">48</a>  
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">static</strong> {
<a class="jxr_linenumber" name="50" href="#50">50</a>          <strong class="jxr_keyword">int</strong> i;
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>          <em class="jxr_comment">// Generate the lookup table for byte-to-hex-dump conversion</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>          <strong class="jxr_keyword">for</strong> (i = 0; i &lt; 10; i ++) {
<a class="jxr_linenumber" name="54" href="#54">54</a>              StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder(3);
<a class="jxr_linenumber" name="55" href="#55">55</a>              buf.append(<span class="jxr_string">" 0"</span>);
<a class="jxr_linenumber" name="56" href="#56">56</a>              buf.append(i);
<a class="jxr_linenumber" name="57" href="#57">57</a>              BYTE2HEX[i] = buf.toString();
<a class="jxr_linenumber" name="58" href="#58">58</a>          }
<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">for</strong> (; i &lt; 16; i ++) {
<a class="jxr_linenumber" name="60" href="#60">60</a>              StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder(3);
<a class="jxr_linenumber" name="61" href="#61">61</a>              buf.append(<span class="jxr_string">" 0"</span>);
<a class="jxr_linenumber" name="62" href="#62">62</a>              buf.append((<strong class="jxr_keyword">char</strong>) ('a' + i - 10));
<a class="jxr_linenumber" name="63" href="#63">63</a>              BYTE2HEX[i] = buf.toString();
<a class="jxr_linenumber" name="64" href="#64">64</a>          }
<a class="jxr_linenumber" name="65" href="#65">65</a>          <strong class="jxr_keyword">for</strong> (; i &lt; BYTE2HEX.length; i ++) {
<a class="jxr_linenumber" name="66" href="#66">66</a>              StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder(3);
<a class="jxr_linenumber" name="67" href="#67">67</a>              buf.append(' ');
<a class="jxr_linenumber" name="68" href="#68">68</a>              buf.append(Integer.toHexString(i));
<a class="jxr_linenumber" name="69" href="#69">69</a>              BYTE2HEX[i] = buf.toString();
<a class="jxr_linenumber" name="70" href="#70">70</a>          }
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>          <em class="jxr_comment">// Generate the lookup table for hex dump paddings</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>          <strong class="jxr_keyword">for</strong> (i = 0; i &lt; HEXPADDING.length; i ++) {
<a class="jxr_linenumber" name="74" href="#74">74</a>              <strong class="jxr_keyword">int</strong> padding = HEXPADDING.length - i;
<a class="jxr_linenumber" name="75" href="#75">75</a>              StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder(padding * 3);
<a class="jxr_linenumber" name="76" href="#76">76</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; padding; j ++) {
<a class="jxr_linenumber" name="77" href="#77">77</a>                  buf.append(<span class="jxr_string">"   "</span>);
<a class="jxr_linenumber" name="78" href="#78">78</a>              }
<a class="jxr_linenumber" name="79" href="#79">79</a>              HEXPADDING[i] = buf.toString();
<a class="jxr_linenumber" name="80" href="#80">80</a>          }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>          <em class="jxr_comment">// Generate the lookup table for byte dump paddings</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>          <strong class="jxr_keyword">for</strong> (i = 0; i &lt; BYTEPADDING.length; i ++) {
<a class="jxr_linenumber" name="84" href="#84">84</a>              <strong class="jxr_keyword">int</strong> padding = BYTEPADDING.length - i;
<a class="jxr_linenumber" name="85" href="#85">85</a>              StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder(padding);
<a class="jxr_linenumber" name="86" href="#86">86</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; padding; j ++) {
<a class="jxr_linenumber" name="87" href="#87">87</a>                  buf.append(' ');
<a class="jxr_linenumber" name="88" href="#88">88</a>              }
<a class="jxr_linenumber" name="89" href="#89">89</a>              BYTEPADDING[i] = buf.toString();
<a class="jxr_linenumber" name="90" href="#90">90</a>          }
<a class="jxr_linenumber" name="91" href="#91">91</a>  
<a class="jxr_linenumber" name="92" href="#92">92</a>          <em class="jxr_comment">// Generate the lookup table for byte-to-char conversion</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>          <strong class="jxr_keyword">for</strong> (i = 0; i &lt; BYTE2CHAR.length; i ++) {
<a class="jxr_linenumber" name="94" href="#94">94</a>              <strong class="jxr_keyword">if</strong> (i &lt;= 0x1f || i &gt;= 0x7f) {
<a class="jxr_linenumber" name="95" href="#95">95</a>                  BYTE2CHAR[i] = '.';
<a class="jxr_linenumber" name="96" href="#96">96</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="97" href="#97">97</a>                  BYTE2CHAR[i] = (<strong class="jxr_keyword">char</strong>) i;
<a class="jxr_linenumber" name="98" href="#98">98</a>              }
<a class="jxr_linenumber" name="99" href="#99">99</a>          }
<a class="jxr_linenumber" name="100" href="#100">100</a>     }
<a class="jxr_linenumber" name="101" href="#101">101</a> 
<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger;
<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level;
<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> hexDump;
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * Creates a new instance whose logger name is the fully qualified class</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     * name of the instance with hex dump enabled.</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>() {
<a class="jxr_linenumber" name="111" href="#111">111</a>         <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="112" href="#112">112</a>     }
<a class="jxr_linenumber" name="113" href="#113">113</a> 
<a class="jxr_linenumber" name="114" href="#114">114</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * Creates a new instance whose logger name is the fully qualified class</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     * name of the instance.</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     * @param level   the log level</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="120" href="#120">120</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(<a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level) {
<a class="jxr_linenumber" name="121" href="#121">121</a>         <strong class="jxr_keyword">this</strong>(level, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="122" href="#122">122</a>     }
<a class="jxr_linenumber" name="123" href="#123">123</a> 
<a class="jxr_linenumber" name="124" href="#124">124</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * Creates a new instance whose logger name is the fully qualified class</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * name of the instance.</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="131" href="#131">131</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(<strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="132" href="#132">132</a>         <strong class="jxr_keyword">this</strong>(DEFAULT_LEVEL, hexDump);
<a class="jxr_linenumber" name="133" href="#133">133</a>     }
<a class="jxr_linenumber" name="134" href="#134">134</a> 
<a class="jxr_linenumber" name="135" href="#135">135</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">     * Creates a new instance whose logger name is the fully qualified class</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment">     * name of the instance.</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * @param level   the log level</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="143" href="#143">143</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(<a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level, <strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="144" href="#144">144</a>         <strong class="jxr_keyword">if</strong> (level == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="145" href="#145">145</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"level"</span>);
<a class="jxr_linenumber" name="146" href="#146">146</a>         }
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a>         logger = InternalLoggerFactory.getInstance(getClass());
<a class="jxr_linenumber" name="149" href="#149">149</a>         <strong class="jxr_keyword">this</strong>.level = level;
<a class="jxr_linenumber" name="150" href="#150">150</a>         <strong class="jxr_keyword">this</strong>.hexDump = hexDump;
<a class="jxr_linenumber" name="151" href="#151">151</a>     }
<a class="jxr_linenumber" name="152" href="#152">152</a> 
<a class="jxr_linenumber" name="153" href="#153">153</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name and with hex dump</em>
<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment">     * enabled.</em>
<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="157" href="#157">157</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(Class&lt;?&gt; clazz) {
<a class="jxr_linenumber" name="158" href="#158">158</a>         <strong class="jxr_keyword">this</strong>(clazz, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="159" href="#159">159</a>     }
<a class="jxr_linenumber" name="160" href="#160">160</a> 
<a class="jxr_linenumber" name="161" href="#161">161</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="167" href="#167">167</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(Class&lt;?&gt; clazz, <strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="168" href="#168">168</a>         <strong class="jxr_keyword">this</strong>(clazz, DEFAULT_LEVEL, hexDump);
<a class="jxr_linenumber" name="169" href="#169">169</a>     }
<a class="jxr_linenumber" name="170" href="#170">170</a> 
<a class="jxr_linenumber" name="171" href="#171">171</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name.</em>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">     * @param level   the log level</em>
<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="176" href="#176">176</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(Class&lt;?&gt; clazz, <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level) {
<a class="jxr_linenumber" name="177" href="#177">177</a>         <strong class="jxr_keyword">this</strong>(clazz, level, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="178" href="#178">178</a>     }
<a class="jxr_linenumber" name="179" href="#179">179</a> 
<a class="jxr_linenumber" name="180" href="#180">180</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name.</em>
<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment">     * @param level   the log level</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="187" href="#187">187</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(Class&lt;?&gt; clazz, <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level, <strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="188" href="#188">188</a>         <strong class="jxr_keyword">if</strong> (clazz == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="189" href="#189">189</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"clazz"</span>);
<a class="jxr_linenumber" name="190" href="#190">190</a>         }
<a class="jxr_linenumber" name="191" href="#191">191</a>         <strong class="jxr_keyword">if</strong> (level == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="192" href="#192">192</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"level"</span>);
<a class="jxr_linenumber" name="193" href="#193">193</a>         }
<a class="jxr_linenumber" name="194" href="#194">194</a>         logger = InternalLoggerFactory.getInstance(clazz);
<a class="jxr_linenumber" name="195" href="#195">195</a>         <strong class="jxr_keyword">this</strong>.level = level;
<a class="jxr_linenumber" name="196" href="#196">196</a>         <strong class="jxr_keyword">this</strong>.hexDump = hexDump;
<a class="jxr_linenumber" name="197" href="#197">197</a>     }
<a class="jxr_linenumber" name="198" href="#198">198</a> 
<a class="jxr_linenumber" name="199" href="#199">199</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name and with hex dump</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * enabled.</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="203" href="#203">203</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(String name) {
<a class="jxr_linenumber" name="204" href="#204">204</a>         <strong class="jxr_keyword">this</strong>(name, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="205" href="#205">205</a>     }
<a class="jxr_linenumber" name="206" href="#206">206</a> 
<a class="jxr_linenumber" name="207" href="#207">207</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name.</em>
<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="213" href="#213">213</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(String name, <strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="214" href="#214">214</a>         <strong class="jxr_keyword">this</strong>(name, DEFAULT_LEVEL, hexDump);
<a class="jxr_linenumber" name="215" href="#215">215</a>     }
<a class="jxr_linenumber" name="216" href="#216">216</a> 
<a class="jxr_linenumber" name="217" href="#217">217</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified logger name.</em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">     * @param level   the log level</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * @param hexDump {@code true} if and only if the hex dump of the received</em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">     *                message is logged</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/logging/LoggingHandler.html">LoggingHandler</a>(String name, <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> level, <strong class="jxr_keyword">boolean</strong> hexDump) {
<a class="jxr_linenumber" name="225" href="#225">225</a>         <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="226" href="#226">226</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"name"</span>);
<a class="jxr_linenumber" name="227" href="#227">227</a>         }
<a class="jxr_linenumber" name="228" href="#228">228</a>         <strong class="jxr_keyword">if</strong> (level == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="229" href="#229">229</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"level"</span>);
<a class="jxr_linenumber" name="230" href="#230">230</a>         }
<a class="jxr_linenumber" name="231" href="#231">231</a>         logger = InternalLoggerFactory.getInstance(name);
<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">this</strong>.level = level;
<a class="jxr_linenumber" name="233" href="#233">233</a>         <strong class="jxr_keyword">this</strong>.hexDump = hexDump;
<a class="jxr_linenumber" name="234" href="#234">234</a>     }
<a class="jxr_linenumber" name="235" href="#235">235</a> 
<a class="jxr_linenumber" name="236" href="#236">236</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * Returns the {@link InternalLogger} that this handler uses to log</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     * a {@link ChannelEvent}.</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="240" href="#240">240</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> getLogger() {
<a class="jxr_linenumber" name="241" href="#241">241</a>         <strong class="jxr_keyword">return</strong> logger;
<a class="jxr_linenumber" name="242" href="#242">242</a>     }
<a class="jxr_linenumber" name="243" href="#243">243</a> 
<a class="jxr_linenumber" name="244" href="#244">244</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">     * Returns the {@link InternalLogLevel} that this handler uses to log</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">     * a {@link ChannelEvent}.</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="248" href="#248">248</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogLevel.html">InternalLogLevel</a> getLevel() {
<a class="jxr_linenumber" name="249" href="#249">249</a>         <strong class="jxr_keyword">return</strong> level;
<a class="jxr_linenumber" name="250" href="#250">250</a>     }
<a class="jxr_linenumber" name="251" href="#251">251</a> 
<a class="jxr_linenumber" name="252" href="#252">252</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">     * Logs the specified event to the {@link InternalLogger} returned by</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">     * {@link #getLogger()}. If hex dump has been enabled for this handler,</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">     * the hex dump of the {@link ChannelBuffer} in a {@link MessageEvent} will</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">     * be logged together.</em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="258" href="#258">258</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> log(<a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="259" href="#259">259</a>         <strong class="jxr_keyword">if</strong> (getLogger().isEnabled(level)) {
<a class="jxr_linenumber" name="260" href="#260">260</a>             String msg = e.toString();
<a class="jxr_linenumber" name="261" href="#261">261</a> 
<a class="jxr_linenumber" name="262" href="#262">262</a>             <em class="jxr_comment">// Append hex dump if necessary.</em>
<a class="jxr_linenumber" name="263" href="#263">263</a>             <strong class="jxr_keyword">if</strong> (hexDump &amp;&amp; e instanceof MessageEvent) {
<a class="jxr_linenumber" name="264" href="#264">264</a>                 <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> me = (MessageEvent) e;
<a class="jxr_linenumber" name="265" href="#265">265</a>                 <strong class="jxr_keyword">if</strong> (me.getMessage() instanceof ChannelBuffer) {
<a class="jxr_linenumber" name="266" href="#266">266</a>                     msg += formatBuffer((ChannelBuffer) me.getMessage());
<a class="jxr_linenumber" name="267" href="#267">267</a>                 }
<a class="jxr_linenumber" name="268" href="#268">268</a>             }
<a class="jxr_linenumber" name="269" href="#269">269</a> 
<a class="jxr_linenumber" name="270" href="#270">270</a>             <em class="jxr_comment">// Log the message (and exception if available.)</em>
<a class="jxr_linenumber" name="271" href="#271">271</a>             <strong class="jxr_keyword">if</strong> (e instanceof ExceptionEvent) {
<a class="jxr_linenumber" name="272" href="#272">272</a>                 getLogger().log(level, msg, ((ExceptionEvent) e).getCause());
<a class="jxr_linenumber" name="273" href="#273">273</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="274" href="#274">274</a>                 getLogger().log(level, msg);
<a class="jxr_linenumber" name="275" href="#275">275</a>             }
<a class="jxr_linenumber" name="276" href="#276">276</a>         }
<a class="jxr_linenumber" name="277" href="#277">277</a>     }
<a class="jxr_linenumber" name="278" href="#278">278</a> 
<a class="jxr_linenumber" name="279" href="#279">279</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String formatBuffer(<a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf) {
<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">int</strong> length = buf.readableBytes();
<a class="jxr_linenumber" name="281" href="#281">281</a>         <strong class="jxr_keyword">int</strong> rows = length / 16 + (length % 15 == 0? 0 : 1) + 4;
<a class="jxr_linenumber" name="282" href="#282">282</a>         StringBuilder dump = <strong class="jxr_keyword">new</strong> StringBuilder(rows * 80);
<a class="jxr_linenumber" name="283" href="#283">283</a> 
<a class="jxr_linenumber" name="284" href="#284">284</a>         dump.append(
<a class="jxr_linenumber" name="285" href="#285">285</a>                 NEWLINE + <span class="jxr_string">"         +-------------------------------------------------+"</span> +
<a class="jxr_linenumber" name="286" href="#286">286</a>                 NEWLINE + <span class="jxr_string">"         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |"</span> +
<a class="jxr_linenumber" name="287" href="#287">287</a>                 NEWLINE + <span class="jxr_string">"+--------+-------------------------------------------------+----------------+"</span>);
<a class="jxr_linenumber" name="288" href="#288">288</a> 
<a class="jxr_linenumber" name="289" href="#289">289</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> startIndex = buf.readerIndex();
<a class="jxr_linenumber" name="290" href="#290">290</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> endIndex = buf.writerIndex();
<a class="jxr_linenumber" name="291" href="#291">291</a> 
<a class="jxr_linenumber" name="292" href="#292">292</a>         <strong class="jxr_keyword">int</strong> i;
<a class="jxr_linenumber" name="293" href="#293">293</a>         <strong class="jxr_keyword">for</strong> (i = startIndex; i &lt; endIndex; i ++) {
<a class="jxr_linenumber" name="294" href="#294">294</a>             <strong class="jxr_keyword">int</strong> relIdx = i - startIndex;
<a class="jxr_linenumber" name="295" href="#295">295</a>             <strong class="jxr_keyword">int</strong> relIdxMod16 = relIdx &amp; 15;
<a class="jxr_linenumber" name="296" href="#296">296</a>             <strong class="jxr_keyword">if</strong> (relIdxMod16 == 0) {
<a class="jxr_linenumber" name="297" href="#297">297</a>                 dump.append(NEWLINE);
<a class="jxr_linenumber" name="298" href="#298">298</a>                 dump.append(Long.toHexString(relIdx &amp; 0xFFFFFFFFL | 0x100000000L));
<a class="jxr_linenumber" name="299" href="#299">299</a>                 dump.setCharAt(dump.length() - 9, '|');
<a class="jxr_linenumber" name="300" href="#300">300</a>                 dump.append('|');
<a class="jxr_linenumber" name="301" href="#301">301</a>             }
<a class="jxr_linenumber" name="302" href="#302">302</a>             dump.append(BYTE2HEX[buf.getUnsignedByte(i)]);
<a class="jxr_linenumber" name="303" href="#303">303</a>             <strong class="jxr_keyword">if</strong> (relIdxMod16 == 15) {
<a class="jxr_linenumber" name="304" href="#304">304</a>                 dump.append(<span class="jxr_string">" |"</span>);
<a class="jxr_linenumber" name="305" href="#305">305</a>                 <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = i - 15; j &lt;= i; j ++) {
<a class="jxr_linenumber" name="306" href="#306">306</a>                     dump.append(BYTE2CHAR[buf.getUnsignedByte(j)]);
<a class="jxr_linenumber" name="307" href="#307">307</a>                 }
<a class="jxr_linenumber" name="308" href="#308">308</a>                 dump.append('|');
<a class="jxr_linenumber" name="309" href="#309">309</a>             }
<a class="jxr_linenumber" name="310" href="#310">310</a>         }
<a class="jxr_linenumber" name="311" href="#311">311</a> 
<a class="jxr_linenumber" name="312" href="#312">312</a>         <strong class="jxr_keyword">if</strong> ((i - startIndex &amp; 15) != 0) {
<a class="jxr_linenumber" name="313" href="#313">313</a>             <strong class="jxr_keyword">int</strong> remainder = length &amp; 15;
<a class="jxr_linenumber" name="314" href="#314">314</a>             dump.append(HEXPADDING[remainder]);
<a class="jxr_linenumber" name="315" href="#315">315</a>             dump.append(<span class="jxr_string">" |"</span>);
<a class="jxr_linenumber" name="316" href="#316">316</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = i - remainder; j &lt; i; j ++) {
<a class="jxr_linenumber" name="317" href="#317">317</a>                 dump.append(BYTE2CHAR[buf.getUnsignedByte(j)]);
<a class="jxr_linenumber" name="318" href="#318">318</a>             }
<a class="jxr_linenumber" name="319" href="#319">319</a>             dump.append(BYTEPADDING[remainder]);
<a class="jxr_linenumber" name="320" href="#320">320</a>             dump.append('|');
<a class="jxr_linenumber" name="321" href="#321">321</a>         }
<a class="jxr_linenumber" name="322" href="#322">322</a> 
<a class="jxr_linenumber" name="323" href="#323">323</a>         dump.append(
<a class="jxr_linenumber" name="324" href="#324">324</a>                 NEWLINE + <span class="jxr_string">"+--------+-------------------------------------------------+----------------+"</span>);
<a class="jxr_linenumber" name="325" href="#325">325</a> 
<a class="jxr_linenumber" name="326" href="#326">326</a>         <strong class="jxr_keyword">return</strong> dump.toString();
<a class="jxr_linenumber" name="327" href="#327">327</a>     }
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleUpstream(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e)
<a class="jxr_linenumber" name="330" href="#330">330</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="331" href="#331">331</a>         log(e);
<a class="jxr_linenumber" name="332" href="#332">332</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="333" href="#333">333</a>     }
<a class="jxr_linenumber" name="334" href="#334">334</a> 
<a class="jxr_linenumber" name="335" href="#335">335</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleDownstream(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e)
<a class="jxr_linenumber" name="336" href="#336">336</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="337" href="#337">337</a>         log(e);
<a class="jxr_linenumber" name="338" href="#338">338</a>         ctx.sendDownstream(e);
<a class="jxr_linenumber" name="339" href="#339">339</a>     }
<a class="jxr_linenumber" name="340" href="#340">340</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

